Gettysburg-Site of the epic battle that forever changed the United States. Some also say it is the most haunted place on earth. In Ghosts at Gettysburg, the third Oliver Family Adventure, the Oliver family visits Gettysburg, Pennsylvania, site of the three-day battle. While Tyler and Tommy participate in a re-enactment, learning about the battle and those that fought it, their sister Paige and mother Judy reluctantly learn of the...